Class: Protocol::HTTP2::PingFrame
- Includes:
- Acknowledgement
- Defined in:
- lib/protocol/http2/ping_frame.rb
Overview
The PING frame is a mechanism for measuring a minimal round-trip time from the sender, as well as determining whether an idle connection is still functional. PING frames can be sent from any endpoint.
---------------------------------------------------------------
| | | Opaque Data (64) | | | ---------------------------------------------------------------
Constant Summary collapse
- TYPE =
0x6
Constants inherited from Frame
Frame::HEADER_FORMAT, Frame::LENGTH_HISHIFT, Frame::LENGTH_LOMASK, Frame::STREAM_ID_MASK, Frame::VALID_LENGTH, Frame::VALID_STREAM_ID
Instance Attribute Summary
Attributes inherited from Frame
#flags, #length, #payload, #stream_id, #type
Instance Method Summary collapse
- #acknowledge ⇒ Object
- #apply(connection) ⇒ Object
- #connection? ⇒ Boolean
- #read_payload(stream) ⇒ Object
Methods included from Acknowledgement
Methods inherited from Frame
#<=>, #clear_flags, #flag_set?, #header, #initialize, #pack, parse_header, #read, #read_header, #set_flags, #to_ary, #unpack, #write, #write_header, #write_payload
Constructor Details
This class inherits a constructor from Protocol::HTTP2::Frame
Instance Method Details
#acknowledge ⇒ Object
63 64 65 66 67 68 69 |
# File 'lib/protocol/http2/ping_frame.rb', line 63 def acknowledge frame = super frame.pack self.unpack return frame end |
#apply(connection) ⇒ Object
59 60 61 |
# File 'lib/protocol/http2/ping_frame.rb', line 59 def apply(connection) connection.receive_ping(self) end |
#connection? ⇒ Boolean
55 56 57 |
# File 'lib/protocol/http2/ping_frame.rb', line 55 def connection? true end |
#read_payload(stream) ⇒ Object
71 72 73 74 75 76 77 |
# File 'lib/protocol/http2/ping_frame.rb', line 71 def read_payload(stream) super if @length > 8 raise FrameSizeError, "Invalid frame length" end end |